From: Florian Weimer <fweimer@redhat.com>
To: libc-alpha@sourceware.org
Subject: [PATCH 1/2] elf: Wire up _dl_diagnostics_cpu_kernel
Date: Fri, 09 Feb 2024 20:08:25 +0100 [thread overview]
Message-ID: <717acf6159c0f8801f58f75dbdab844f7de2dbd5.1707505012.git.fweimer@redhat.com> (raw)
In-Reply-To: <cover.1707505012.git.fweimer@redhat.com>
Some diagnostics information can only be retrieved in an OS-specific
manner. This function does nothing at present.
---
elf/Makefile | 1 +
elf/dl-diagnostics-cpu-kernel.c | 24 ++++++++++++++++++++++++
elf/dl-diagnostics.c | 1 +
elf/dl-diagnostics.h | 4 ++++
4 files changed, 30 insertions(+)
create mode 100644 elf/dl-diagnostics-cpu-kernel.c
diff --git a/elf/Makefile b/elf/Makefile
index 5d78b659ce..0ecf9e207c 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -130,6 +130,7 @@ rtld-routines = \
dl-compat \
dl-diagnostics \
dl-diagnostics-cpu \
+ dl-diagnostics-cpu-kernel \
dl-diagnostics-kernel \
dl-environ \
dl-hwcaps \
diff --git a/elf/dl-diagnostics-cpu-kernel.c b/elf/dl-diagnostics-cpu-kernel.c
new file mode 100644
index 0000000000..f3251c5b79
--- /dev/null
+++ b/elf/dl-diagnostics-cpu-kernel.c
@@ -0,0 +1,24 @@
+/* Print CPU/kernel diagnostics data in ld.so. Stub version.
+ Copyright (C) 2023 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <dl-diagnostics.h>
+
+void
+_dl_diagnostics_cpu_kernel (void)
+{
+}
diff --git a/elf/dl-diagnostics.c b/elf/dl-diagnostics.c
index 7345ebc4e5..352d68a759 100644
--- a/elf/dl-diagnostics.c
+++ b/elf/dl-diagnostics.c
@@ -255,6 +255,7 @@ _dl_print_diagnostics (char **environ)
_dl_diagnostics_kernel ();
_dl_diagnostics_cpu ();
+ _dl_diagnostics_cpu_kernel ();
_exit (EXIT_SUCCESS);
}
diff --git a/elf/dl-diagnostics.h b/elf/dl-diagnostics.h
index 1049a41118..8a3bc09815 100644
--- a/elf/dl-diagnostics.h
+++ b/elf/dl-diagnostics.h
@@ -43,4 +43,8 @@ void _dl_diagnostics_kernel (void) attribute_hidden;
_dl_print_diagnostics. */
void _dl_diagnostics_cpu (void) attribute_hidden;
+/* Print diagnostics data for the CPU(s), in a kernel-secific fashion.
+ Called from _dl_print_diagnostics. */
+void _dl_diagnostics_cpu_kernel (void) attribute_hidden;
+
#endif /* _DL_DIAGNOSTICS_H */
--
2.43.0
next prev parent reply other threads:[~2024-02-09 19:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-09 19:08 [PATCH 0/2] Enhanced x86 CPU diagnostics Florian Weimer
2024-02-09 19:08 ` Florian Weimer [this message]
2024-02-09 19:08 ` [PATCH 2/2] x86: Add generic CPUID data dumper to ld.so --list-diagnostics Florian Weimer
2024-02-09 19:34 ` H.J. Lu
2024-02-10 0:44 ` H.J. Lu
-- strict thread matches above, loose matches on Subject: below --
2023-09-08 20:09 [PATCH 1/2] elf: Wire up _dl_diagnostics_cpu_kernel Florian Weimer
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